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    <title>
      Issue #119 - Test HTML5, custom-tags: no
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    <h1>
      About this case
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    <p>
      This test case ensures that Tidy handles autonomous custom tags appropriately for HTML5 documents.
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    <p>
      In this case, <kbd>custom-tags</kbd> is <strong>no</strong>, and so Tidy should report unknown tags. We will use <kbd>force-output</kbd> to ensure that a document is generated, and to gather additional warning output.
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    <pizzerias>
      This is a user-defined tag, and Tidy should provide a warning, but allow it. The warning is issued because although being a user-defined tag, there's nothing in the specification that allows such a tag that we know about.
    </pizzerias>
    <jets-pizza>
      This is a user-defined tag, and Tidy should <em>not</em> provide a warning. Although <kbd>custom-tags</kbd> is <strong>no</strong>, it looks like an autonomous custom tag, and the user defined it, and so there's no reason to warn about it.
    </jets-pizza>This is an autonomous custom tag, but it's not supported in this test case. It should be rejected and cause an error.
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